Marc Ketel's Open Source Projects

Recently added & updated

Architecture unaware library that tries to program AVR devices by ISP.

AVR_ISP_Programmer

🥳 Recently updatedC

Architecture unaware library that tries to program AVR devices by ISP.

GNSSpot

🎉 Recently addedC++

GNSSpot is an ESP32-based firmware that transforms a GNSS module into a fully networked GPS/NMEA server.

3d-models

⭐1G-code

Miscellaneous 3d-models. Most of them can be 3d-printed.

All projects

2026 (3)

🎉 New

GNSSpot

GNSSpot is an ESP32-based firmware that transforms a GNSS module into a fully networked GPS/NMEA server.

C++

Wi-Fi-probe-request-listener

A combination of firmware for an ESP32-C3 that captures Wi-Fi probe requests and a web application for real-time visualization.

JavaScript

LLModelScoring

A PHP application that evaluates capabilities (like programming or other textual generation) of different LLM models via the OpenRouter API.

PHP

2025 (10)

American-Clock

A patriotic digital clock displaying time in **HH:SS:MM** format with an American red/white/blue theme and subtle stars animation.

CSS

LedBanner-multicast-receiver

A LedBanner multicast receiver. Works when connected to the RevSpace WiFi.

⭐3C

n-teller-xl-diy

n-teller-xl-diy is an IoT device that displays the number of checked in participants and visitors at the hackerspace called Revelation Space (or RevSpace).

⭐1HTML

ST7789-76x284

A platformio example project running on a ESP8266 demonstrating the TFT_eSPI library working with an ST7789 76x284 TFT display module.

⭐9C++

n-teller

n-teller is an IoT device that displays the number of checked in participants and visitors at the hackerspace called Revelation Space (or RevSpace).

⭐2HTML

3D-Sorting-Algorithm-Visualizer

Interactive 3D visualizer for sorting algorithms built with Three.js.

JavaScript

RPSLS-Simulation

An emergent RPSLS simulation with animated emoji entities, showcasing dynamic group behaviors and continuous evolution on an HTML5 Canvas.

JavaScript

A Vibe-Coded TRON-inspired infinite UNIX terminal animation with retro CRT effects, built using pure HTML, CSS, and JavaScript. Features multi-phase command sequences, realistic typing simulation, and customizable sci-fi aesthetics — all in a lightweight, dependency-free package.

JavaScript